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Show 1867.] DR. J. E. GRAY ON SPONGES. 553 2. SPONGILLA CINEREA, Carter, I. c. p. 2, 1.1. f. 5 ; Bowerb. B. S. f. 205; P. Z. S. 1863, t. 38. f. 19. B.M. Hab. India, Bombay. 3. SPONGILLA CEREBELLATA, Bowerb. P. Z. S. 1863, t. 38. f. 16. Hab. East Indies. 4. SPONGILLA LORDII, Bowerb. P. Z. S. 1863, t. 38. f. 17. Hab. Columbia River. 5. SPONGILLA ALBA, Carter, I. c. p. 4, t. 1. f. 4 ; Bowerb. B. S. f. 91, 207 ; P. Z. S. 1863, t. 38. f. 15. B.M. Hab. Bombay. 6. SPONGILLA DAWSONI, Bowerb. P. Z. S. 1863, t. 38. f. 18. Hab. Canada. Mr. Carter has most kindly presented to the British Museum a series of the typical specimens of all the freshwater sponges of Bombay he described and figured. 8. DIPLODEMIA, Bowerb. B. S. i. p. 201, ii. p. 357; O. Schmidt, S. Ad. Supp. ii. p. 18. Sponge massive. Skeleton irregularly netted; filaments compact, horny, solid, scattered, with single or groups of spicules diverging from the outer surface. Ovisacs ovoid, membranaceous ; outer surface covered with dispersed and subfasciculate fusiform spicula. DIPLODEMIA VESICULA, Bowerb. B. S. i. p. 201, ii. pp. 11, 357, f. 273, 324, 377, Hab. Shetland. Perhaps a peculiar family. Subclass 2. PORIFERA CALCAREA. Skeleton composed of calcareous spicules, which are generally three-rayed, stellate. Calcispongia, Blainv. Man. Act. p. 536. Porifera leuconida, " Grant, Tabular View, 1861 ;" Bowerb. B. Sp. i. p. 154. P. calcarea, Bowerb. ib. i. pp. 155, 160, 162. Calcispongia;, O. Schmidt, S. Ad. Grantia, Fleming, Brit. An. p. 524; Johnston, B. Sp. (not Nardo). Leucalia, Grant, Edin. Encyc. xviii. p. 844. Oxyspongiee imperforantes, Duchass. & Michel. Sp. Car. p. 110. Nardo has a section of calcareous sponges ; but it must not be confounded with this group. It is founded to contain two corals, allied to Alcyonium and Gorgonia, having no alliance with sponges. Nardo gave the name of Grantia to a dendroid genus of fibrous sponges, of which Spongia canabrina of Esper is the type (see Isis, 1833, p. 522). |
